Example with mandatory variables not filled in

---
rougail:                      # Rougail
  family:                     # Possibly hidden family
    subfamily:
      var1: example           # A variable

Example with all variables modifiable

---
rougail:                      # Rougail
  condition: no               # The variable use has condition
  family:                     # Possibly hidden family
    subfamily:
      var1: example           # A variable